{"product_id":"comp-cams-magnum-roller-rocker-fs-olds","title":"COMP Cams Magnum Roller Rocker FS\/Olds","description":"and Oldsmobile V8 260-455 Applications is the ultimate street Rocker. With a 3\/8\" Stud diameter and 1.6 ratio, it is designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a superior material that will not flex and assures maximum lift. Their Roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other Rocker arms, Magnum Roller Rockers are perfect for performance Applications with less than 350 lbs. open spring pressure. Don't accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":47047740817575,"sku":"CCA1442-1","price":29.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/8344\/1063\/files\/5a272c0c27d31cffe43af5b022815050.jpg?v=1758142038","url":"https:\/\/www.straightsiximports.com\/en-us\/products\/comp-cams-magnum-roller-rocker-fs-olds","provider":"Straight Six Imports","version":"1.0","type":"link"}